Mountain Valley Railway
HO scale · Continuous Loop · Mountain scenery · DCC
Generated Visual Track Plan
The diagram is a conceptual planning preview. Verify exact geometry with your chosen track system before construction.
Planning Summary
- Scale ratio
- 1:87.1
- Layout area
- 72.0 sq ft
- Curve radius
- 26 in
- Turnouts
- 8 #6
- Crossovers / wyes
- 1 / 0
- Passing / reverse
- 2 / 0
- Stations
- 2
- Yard tracks
- 4
- Staging
- Visible staging
- Benchwork
- Open-grid
- Operations
- Passenger, Freight, Switching
Recommended approach
Use broad curves on visible mainline sections. Place tighter geometry in yards only. Keep primary switching areas near the aisle edge, and provide staging for complete trains when possible.
Validation and Warnings
- No major planning conflicts detected with the current inputs.
Track Inventory Estimate
| Type | Quantity | Length | Radius | Angle / Size | Manufacturer | Product / Note |
|---|---|---|---|---|---|---|
| Straight / flex track | 23 | 18 in equivalent | — | — | Generic Flex Track | Planning estimate |
| Curved track | 15 | Varies | 26 in | 22.5° average | Generic Flex Track | Planning estimate |
| Flex track sections | 5 | 36 in | Variable | Variable | Generic Flex Track | Planning estimate |
| Turnouts | 8 | Varies | — | #6 | Generic Flex Track | #6 |
| Crossovers | 1 | Varies | — | Paired turnouts | Generic Flex Track | Mainline crossover |
| Wye assemblies | 0 | Varies | — | 3-way geometry | Generic Flex Track | Turning / junction |
| Passing sidings | 2 | Variable | — | 2 turnouts each | Generic Flex Track | Operational siding |
| Reverse loops | 0 | Variable | 26 in | Return loop | Generic Flex Track | Requires polarity management |
Selected Facilities and Design Features
Cost Estimate
| Category | Budget |
|---|---|
| Track | $450.00 |
| Benchwork | $250.00 |
| Wiring | $180.00 |
| Scenery | $300.00 |
| Structures | $250.00 |
| Rolling Stock | $500.00 |
| Total | $1,930.00 |
Useful Calculations
| Prototype distance represented | 1.20 miles |
|---|---|
| Recommended grade run for 3 in rise | 120 in |
| Approximate cars per yard | 41 |
| Track density | 1.01 ft/sq ft |
| Track to scenery ratio | 41 : 59 |
Alternative Layout Concepts
| Option | Track Style | Focus | Approx. Track | Suggestion |
|---|---|---|---|---|
| A | Continuous Loop | Balanced Layout | 72.6 ft | Current balanced concept |
| B | Point-to-Point | Realistic Operations | 62.4 ft | More staging and switching |
| C | Continuous Loop | Scenery | 56.6 ft | Broader scenic separation |
How to Plan a Better Model Train Layout
A successful model train layout starts with clear operating goals, not track density. Decide whether you enjoy continuous running, switching, passenger service, freight work, or scenic display. Measure the available space carefully and include access aisles before choosing track geometry. Scale matters because larger scales require broader curves, longer turnouts, and more clearance. Smaller scales can fit longer routes, but compact track should still remain reachable for maintenance.
Choose Curves and Grades Conservatively
Curve radius strongly affects appearance and reliability. Long passenger cars and modern locomotives usually look better on broad curves. Tight curves can work in industrial districts, short branch lines, and hidden areas. Grades deserve similar care. A modest grade allows longer trains and reduces wheel slip. Steeper grades can create dramatic scenery, but they may require helper locomotives or shorter consists. Always provide smooth transitions where level track changes into a grade.
Balance Operations With Scenery
Track should support a reason for trains to move. Stations create passenger activity, while industries generate freight traffic. A small yard can sort cars and add operating interest. Staging tracks represent destinations beyond the modeled scene. Scenery then gives each location identity. Mountains, rivers, roads, bridges, tunnels, towns, farms, and industrial buildings can separate scenes visually. Avoid covering every open area with track because negative space improves realism.
Plan Wiring and Access Early
Electrical planning is easier before scenery is installed. DCC layouts benefit from regular feeders and sensible power districts. Reverse loops require special wiring arrangements. Hidden track needs reliable construction and generous access openings. Benchwork should support track while allowing wiring, switch machines, and future repairs. Use the generated inventory and cost table as a starting point, then confirm exact dimensions with the manufacturer. Careful planning now makes construction easier, operation smoother, and future expansion less disruptive. Document every revision so later expansion stays consistent with electrical districts, scenery boundaries, and operating goals.
Example Layout Comparison
| Layout Type | Typical Strength | Space Use | Best For |
|---|---|---|---|
| Continuous Loop | Relaxed running | Medium | Passenger and display layouts |
| Point-to-Point | Prototype operation | Efficient | Branch lines and terminals |
| Switching Layout | Operational challenge | Compact | Small rooms and shelves |
| Dogbone | Longer apparent run | Medium to large | Mainline operation |
| Modular | Expansion flexibility | Variable | Clubs and portable setups |
Frequently Asked Questions
What is the best model train scale for a small room?
N scale is popular for compact spaces because it allows longer routes and broader-looking curves in less room. HO scale can also work well on shelf or switching layouts.
How do I choose a minimum curve radius?
Use the longest locomotive or car you expect to operate as your guide. Manufacturer recommendations are the safest reference, while broader curves generally improve appearance and reliability.
What grade is suitable for model railways?
Grades around two percent are usually comfortable for many layouts. Steeper grades can work, but train length and locomotive traction may need adjustment.
Should I use DC or DCC?
DC is simple for basic layouts. DCC is useful when operating multiple locomotives independently, adding sound, or creating more complex operating sessions.
How much staging should a layout have?
Even one or two staging tracks can improve operations by representing destinations outside the modeled area. Larger layouts benefit from staging sized for complete trains.
Can the generated plan be used as exact construction drawings?
No. The preview is conceptual. Confirm exact track dimensions, turnout geometry, clearances, grades, and reach distances with real components before construction.
What does the CSV file contain?
The CSV export contains the estimated track inventory, including item type, quantity, length, radius, turnout size, manufacturer, and planning notes.